#!/usr/bin/python3
# -*- coding: UTF-8 -*-
"""
日期和时间
"""
from datetime import date

now = date.today()
print(now)
print(now.strftime("%m-%d-%y. %d %b %Y is a %A on the %d day of %B."))
birthday = date(1964, 7, 31)
age = now - birthday
print(age.days)

